/*
 *  Copyright (C) 2025 ameise <ameise.wang@gmail.com> - All Rights Reserved
 *
 *  This file is part of e3utils.
 *
 *  e3utils is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  e3utils is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with e3utils. If not, see <https://www.gnu.org/licenses/>.
 */

package math

func IsNumber(arg any) bool {
	return IsFloat(arg) || IsComplex(arg) || IsInteger(arg)
}

func IsInteger(arg any) bool {
	return IsSigned(arg) || IsUnSigned(arg)
}

func IsFloat(arg any) bool {
	switch arg.(type) {
	case float32, float64:
		return true
	default:
		return false
	}
}

func IsComplex(arg any) bool {
	switch arg.(type) {
	case complex64, complex128:
		return true
	default:
		return false
	}
}

func IsSigned(arg any) bool {
	switch arg.(type) {
	case int, int8, int16, int32, int64:
		return true
	case float32, float64:
		return false
	default:
		return false
	}
}

func IsUnSigned(arg any) bool {
	switch arg.(type) {
	case int, int8, int16, int32, int64:
		return false
	case float32, float64:
		return false
	default:
		return true
	}
}
